Scientific Name: Fissicrambus mutabilis
Native Range: Eastern and Central United States, Pennsylvania.
Size: Wingspan: 17 mm (0.67 in)*
Active: April – September, with two generations per year and overwintering as partially grown larva.*
Color and Appearance: “Adult: forewing yellowish-brown with diffuse grayish-white streak running lengthwise in upper half of wing (i.e. nearest the costa); subterminal line black, evenly toothed; PM line jagged, irregularly toothed, sometimes continuous but often broken and represented by just two or three black spots; hindwing variably pale to dark brownish-gray.” BugNet.com (https://bugguide.net/node/view/70225)
Larva know as Striped Sod Webworm. Adults are primarily nocturnal, hiding in the grass by day.*
*From BugNet.com (https://bugguide.net/node/view/70225)